OCTA AUTOMATIQUE RÉSERVE NACRE – Ref. AR
Calibre 1300.3
In-line lever escapement, 15 tooth wheel
Balance with 4 inertia spring
Flat Anachron microfarad spring
Free-sprung balance
Mobile stud holder
Novotronic laser soldered balance spring
Pinned GE stud
Three-position crown Slipping mainspring
Off-centre winding rotor
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